/* ===== 使用说明 · 页面专属样式（作用域 .page-disclaimer） ===== */

.page-disclaimer {
  --disc-rule: rgba(16, 20, 19, 0.14);
  --disc-rule-soft: rgba(16, 20, 19, 0.09);
  --disc-rule-dark: rgba(201, 184, 140, 0.28);
  --disc-text: #1d2422;
  --disc-text-soft: #3a4240;
  background: var(--c-sand-1);
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--c-deep);
  color: var(--c-ivory);
  padding: clamp(26px, 4vw, 48px) 0 clamp(40px, 5vw, 76px);
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  right: -14%;
  top: 6%;
  width: 64%;
  height: 96%;
  background: linear-gradient(150deg, var(--c-home), var(--c-tac) 68%, var(--c-deep));
  transform: rotate(-8deg);
  opacity: 0.95;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(201, 184, 140, 0.1) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(0deg, rgba(201, 184, 140, 0.06) 0 1px, transparent 1px 68px);
}

.page-disclaimer .disc-hero__crumbs {
  margin: 0 0 clamp(24px, 4vw, 44px);
  color: rgba(240, 232, 214, 0.66);
}

.page-disclaimer .disc-hero__crumbs a {
  color: var(--c-hot);
  text-decoration: none;
}

.page-disclaimer .disc-hero__crumbs a:hover,
.page-disclaimer .disc-hero__crumbs a:focus-visible {
  text-decoration: underline;
}

.page-disclaimer .disc-hero__title {
  margin: 14px 0 clamp(18px, 2.4vw, 28px);
  font-weight: 200;
  font-size: clamp(56px, 12vw, 138px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--c-ivory);
}

.page-disclaimer .disc-hero__lede {
  max-width: 40rem;
  margin: 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: rgba(251, 249, 243, 0.82);
}

.page-disclaimer .disc-hero__figure {
  margin: clamp(30px, 5vw, 58px) 0 0;
}

.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 横向刻度带 ---------- */

.page-disclaimer .disc-ruler {
  background: rgba(240, 232, 214, 0.94);
  border-top: 1px solid var(--disc-rule);
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-ruler__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .disc-ruler__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .disc-ruler__node {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 18px clamp(14px, 2vw, 24px) 16px;
  border-right: 1px solid var(--disc-rule-soft);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-ink);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-disclaimer .disc-ruler__node::before {
  content: "";
  position: absolute;
  left: clamp(14px, 2vw, 24px);
  right: clamp(14px, 2vw, 24px);
  top: 0;
  height: 3px;
  background: transparent;
  transition: background var(--t-fast) var(--ease);
}

.page-disclaimer .disc-ruler__node:hover,
.page-disclaimer .disc-ruler__node:focus-visible {
  color: var(--c-orange);
  background: rgba(232, 67, 28, 0.06);
  outline: none;
}

.page-disclaimer .disc-ruler__node:hover::before,
.page-disclaimer .disc-ruler__node:focus-visible::before {
  background: var(--c-orange);
}

.page-disclaimer .disc-ruler__no {
  font-size: 12px;
  color: var(--c-steel);
}

/* ---------- 画布 ---------- */

.page-disclaimer .disc-body {
  background: var(--c-sand-1);
  padding: clamp(48px, 7vw, 96px) 0 clamp(16px, 3vw, 32px);
}

.page-disclaimer .disc-sec {
  display: grid;
  gap: clamp(14px, 2vw, 26px);
  padding-bottom: clamp(38px, 5vw, 68px);
  margin-bottom: clamp(38px, 5vw, 68px);
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-body .disc-sec:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .disc-sec__tag {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-disclaimer .disc-sec__no {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 300;
  line-height: 1;
  color: var(--c-orange);
}

.page-disclaimer .disc-sec__kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-steel);
}

.page-disclaimer .disc-sec__title {
  max-width: 24ch;
  margin: 0 0 clamp(16px, 2vw, 24px);
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-disclaimer .disc-sec__main .cmp-prose {
  max-width: 640px;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--disc-text);
}

.page-disclaimer .disc-sec__main .cmp-prose:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-sec__main a {
  color: var(--c-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 67, 28, 0.4);
}

.page-disclaimer .disc-sec__main a:hover,
.page-disclaimer .disc-sec__main a:focus-visible {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

/* ---------- 来源标注块 ---------- */

.page-disclaimer .disc-spec {
  max-width: 640px;
  margin: 0 0 18px;
  padding: 18px 20px;
  background: var(--c-ivory);
  border: 1px solid var(--disc-rule);
  border-left: 3px solid var(--c-orange);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  color: var(--c-ink);
  overflow-x: auto;
}

.page-disclaimer .disc-spec__line {
  display: block;
  white-space: nowrap;
}

/* ---------- 字段三栏 ---------- */

.page-disclaimer .disc-fields {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  margin: 0 0 clamp(20px, 2.6vw, 30px);
}

.page-disclaimer .disc-field {
  border-top: 2px solid var(--c-sand);
  padding-top: 14px;
}

.page-disclaimer .disc-field__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--c-ink);
}

.page-disclaimer .disc-field__title .cmp-num {
  margin-right: 8px;
  font-size: 13px;
  font-weight: 400;
  color: var(--c-teal);
}

.page-disclaimer .disc-field p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--disc-text-soft);
}

/* ---------- 版本对照 ---------- */

.page-disclaimer .disc-versions {
  max-width: 720px;
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-version {
  display: grid;
  gap: 4px 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--disc-rule-soft);
}

.page-disclaimer .disc-version__no {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--c-orange);
}

.page-disclaimer .disc-version__flag {
  display: inline-block;
  margin-left: 10px;
  padding: 3px 9px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-ivory);
  background: var(--c-teal);
  border-radius: var(--r-pill);
  vertical-align: 2px;
}

.page-disclaimer .disc-version__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--disc-text-soft);
}

/* ---------- 用途两栏 ---------- */

.page-disclaimer .disc-usage {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  margin: 0 0 clamp(20px, 2.6vw, 30px);
}

.page-disclaimer .disc-usage__col {
  padding: 20px 22px 22px;
  background: var(--c-ivory);
  border: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-usage__col--no {
  background: transparent;
  border-color: rgba(232, 67, 28, 0.4);
  border-style: dashed;
}

.page-disclaimer .disc-usage__head {
  margin: 0 0 14px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--c-teal);
}

.page-disclaimer .disc-usage__col--no .disc-usage__head {
  color: var(--c-orange);
}

.page-disclaimer .disc-usage__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-usage__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--disc-text-soft);
}

.page-disclaimer .disc-usage__list li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-usage__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 2px;
  background: var(--c-sand);
}

.page-disclaimer .disc-usage__col--no .disc-usage__list li::before {
  background: var(--c-orange);
}

/* ---------- 尾部深色区 ---------- */

.page-disclaimer .disc-tail {
  background: var(--c-deep);
  color: var(--c-sand-1);
  padding: clamp(48px, 7vw, 96px) 0 clamp(44px, 6vw, 84px);
}

.page-disclaimer .disc-tail .disc-sec {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .disc-tail .disc-sec__kicker {
  color: rgba(201, 184, 140, 0.72);
}

.page-disclaimer .disc-tail .disc-sec__title {
  color: var(--c-ivory);
}

.page-disclaimer .disc-tail .disc-sec__main .cmp-prose {
  color: rgba(240, 232, 214, 0.82);
}

.page-disclaimer .disc-tail .disc-sec__main a {
  color: var(--c-hot);
  border-bottom-color: rgba(255, 107, 61, 0.45);
}

.page-disclaimer .disc-tail .disc-sec__main a:hover,
.page-disclaimer .disc-tail .disc-sec__main a:focus-visible {
  color: var(--c-ivory);
  border-bottom-color: var(--c-ivory);
}

/* ---------- 底部刻度节点 ---------- */

.page-disclaimer .disc-track {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(30px, 4vw, 52px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 2px solid rgba(201, 184, 140, 0.32);
}

.page-disclaimer .disc-track__node {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 17px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-sand-1);
  text-decoration: none;
  border: 1px solid var(--disc-rule-dark);
  border-radius: var(--r-pill);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-disclaimer .disc-track__node::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-sand);
  transition: background var(--t-fast) var(--ease);
}

.page-disclaimer .disc-track__node:hover,
.page-disclaimer .disc-track__node:focus-visible {
  color: var(--c-ivory);
  border-color: var(--c-hot);
  background: rgba(255, 107, 61, 0.12);
  outline: none;
}

.page-disclaimer .disc-track__node:hover::before,
.page-disclaimer .disc-track__node:focus-visible::before {
  background: var(--c-hot);
}

.page-disclaimer .disc-track__node--lead {
  border-color: rgba(255, 107, 61, 0.5);
  color: var(--c-hot);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-disclaimer .disc-fields {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-disclaimer .disc-version {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-disclaimer .disc-usage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-disclaimer .disc-sec {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(24px, 3vw, 56px);
  }

  .page-disclaimer .disc-sec__tag {
    position: sticky;
    top: 24px;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 639px) {
  .page-disclaimer .disc-hero__title {
    letter-spacing: -0.02em;
  }

  .page-disclaimer .disc-spec {
    font-size: 12px;
    padding: 14px 14px;
  }

  .page-disclaimer .disc-usage__col {
    padding: 18px 16px 20px;
  }

  .page-disclaimer .disc-track__node {
    padding: 9px 14px;
    font-size: 12.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}